(19)

(11)

EP 1 449 059 A2

(12)

(88) Date of publication A3: 17.06.2004 (43) Date of publication: 25.08.2004 Bulletin 2004/35 (21) Application number: 02804392.5 (22) Date of filing: 30.09.2002

(51) International Patent Classification (IPC)7: G06F 3/033 (86) International application number: PCT/US2002/030859 (87) International publication number: WO 2003/049002 (12.06.2003 Gazette 2003/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 30.11.2001 US 998699 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)	(72) Inventors: HAUCK, Karl P., Saint Paul, MN 55133-3427 (US) HARES, Luke, D., R. Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)